Installing the Mainboard
2- 7
ATXPWR - ATX Power input Connectors
These have a specific orientation. The three warning marks indicate that if you
make a mistake in pin number or connection orientation, you could destroy your
equipment. During installation, you just need to connect to the correct pins and in
the correct orientation, and to connect the power supply unit to the connector on
the mainboard.
Pin number
Name of the signal or
signification
Pin number
Name of the signal or
signification
1
+3.3VDC
11
+3.3VDC
2
+3.3VDC
12
-12VDC
3
Ground
13
Ground
4
+5VDC
14
PS_ON
5
Ground
15
Ground
6
+5VDC
16
Ground
7
Ground
17
Ground
8
POWERGOOD
18
-5VDC
9
+5VDC
19
+5VDC
10
+12VDC
20
+5VDC
Fig 2-2 Mechanics of Mouse/Keyboard/USB/COM1/COM2/LPT
Содержание IT5A
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